#求菲波那契列第101项
f1 = 1
f2 = 1
f3 = 0
count=0
while True:
    f1 = f2
    f2 = f3
    f3 = f1 + f2
    count = count + 1
    if count == 102:
        print("菲波那契列第101项是:",f3)
        break
    # print(f3," ",end='')